“…Substituting silica with silvernitrate is strongly suspected to also produce compounds with the same propertie. 7 This research reinforces the previous research. There are better benefits, especially Ag2NO3 nanoparticle to another organisms, which are more environmentally friendly.…”
Section: Discussionsupporting
confidence: 90%
“…Nanotechnology has a potential expanding to some utilization. 7 ISSN: 0019-5138 DOI: https://doi.org/10.24321/0019.5138.202110…”
Integrated vector management especially for Aedes aegypti mosquito is a priority to control the transmission of dengue fever. An effective and environment friendly insecticide is needed. This study aims to find the effective dose of vector control material for Ae. aegypti. Nanosilver nitrate used as a material for mosquitoes insecticide caused it has greater potential to enter through the pore of nervous system of Ae. aegypti.This field research used adult mosquitoes Ae. Aegypti for toxicity test. The total samples were 200. The toxicity test of organophosphate compounds, at concentration 3.5 mg/L as many as 60% mosquitoes were death. Toxicity test of synthesis two compounds on concentration 3.5 (organophospat) + 0.5 (Ag2NO3) mg/L there was 100%. Treatment synthesis of nanosilver with organophopat is more effective than only organophospat compounds. based on the Ae. Aegypti LC50 of organophosphate was 7.81 mg/L meanwhile LC50 for the synthesis of silver nitrate nanoparticle with organophosphate were 5.59 mg/L. Nanosilver nitrate has the potential as a synthetic material or substitute for organophosphate.
“…Substituting silica with silvernitrate is strongly suspected to also produce compounds with the same propertie. 7 This research reinforces the previous research. There are better benefits, especially Ag2NO3 nanoparticle to another organisms, which are more environmentally friendly.…”
Section: Discussionsupporting
confidence: 90%
“…Nanotechnology has a potential expanding to some utilization. 7 ISSN: 0019-5138 DOI: https://doi.org/10.24321/0019.5138.202110…”
Integrated vector management especially for Aedes aegypti mosquito is a priority to control the transmission of dengue fever. An effective and environment friendly insecticide is needed. This study aims to find the effective dose of vector control material for Ae. aegypti. Nanosilver nitrate used as a material for mosquitoes insecticide caused it has greater potential to enter through the pore of nervous system of Ae. aegypti.This field research used adult mosquitoes Ae. Aegypti for toxicity test. The total samples were 200. The toxicity test of organophosphate compounds, at concentration 3.5 mg/L as many as 60% mosquitoes were death. Toxicity test of synthesis two compounds on concentration 3.5 (organophospat) + 0.5 (Ag2NO3) mg/L there was 100%. Treatment synthesis of nanosilver with organophopat is more effective than only organophospat compounds. based on the Ae. Aegypti LC50 of organophosphate was 7.81 mg/L meanwhile LC50 for the synthesis of silver nitrate nanoparticle with organophosphate were 5.59 mg/L. Nanosilver nitrate has the potential as a synthetic material or substitute for organophosphate.
“…Thereby, root biomass was increased in T 2 when compared to other treatments in both stages. However, there was no significant difference between T 1 with T 2 and T 3 due to the synthetic nutrient solution which contains P that also directly correlated with the root growth promotion ( Barita et al., 2018 ). Figure 6 Effect of different growing media on fresh weight of strawberry root in the vegetative and reproductive stages.…”
The optimal production of strawberries requires the essential nutrients and favourable media for vegetative and reproductive growth. The present study sought to determine the effectiveness of growth parameters and fruit yield of strawberries in different media growing under a greenhouse. To analyze the significant effect for the growth and fruit yield among the growing media, four treatments such as control soil (CS), bio plus compost (T 1 ), the combination of bio plus compost, and synthetic nutrient applied media/integrated media (T 2 ) and synthetic nutrient applied soil media (T 3 ) were assayed. Morphology parameters like plant height, canopy area, fresh weight, dry weight of roots were measured in each stage after eight weeks and sixteen weeks and yield attributing parameter as the number of fruits set per plant and number of fruits per plant were measured at the beginning and end of the reproductive stage eight and sixteen weeks respectively. The effects of growing media for the strawberry plant growth and productivity were analyzed using completely randomized block designs through analyzing the variance with a significance level of p < 0.05. The canopy area of the strawberry plants was calculated using the image processing technique applied in HSV colour space. Correspondingly, the vegetative stage and reproductive stage of T 2 plants attained the maximum plant height of 16.93 AE 0.31 cm and 19.34 AE 0.21 cm, canopy area with 23.02 AE 1.94 cm 2 and 28.78 AE 0.93 cm 2 , fresh weight of 18.00 AE 3.06 g, and 20.15 AE 3.49 g, dry weight of 5.15 AE 1.26 g and 6.66 AE 2.34 g and the number of fruits set per plant 18.83 AE 2.64 and number of fruits per plant 24.17 AE 2.14 followed by T 1 , T 3, and CS respectively. A comparison of the relative growth and fruit yield at the vegetative and reproductive phases of plants T 2 implied better performance. This study demonstrated that bio plus compost with synthetic nutrients act as a better source for the growth and production of strawberries under the greenhouse.
“…Selain sifat kimia tanah vertisol yang lebih baik, dari segi Si tersedia maupun sifat kimia lainnya, penambahan Si diduga juga meningkatkan laju fotosintesis dalam tanaman yang menyebabkan penyerapan unsur hara menjadi lebih optimal. Silika yang terakumulasi pada daun menyebabkan daun menjadi lebih tegak dan lebih terbuka sehingga permukaan daun lebih banyak mendapat sinar matahari dan proses fotosintesis menjadi lebih optimal (Putri et al 2017;Barita 2018). Fotosintat yang dihasilkan akan digunakan untuk proses pertumbuhan, seperti peman-jangan batang (Ningsih 2012).…”
Section: Pengaruh Tras Pada Pertumbuhan Padiunclassified
Silicon (Si) has an important role in the growth of rice plants and some soil chemical properties. However, Si still receives less attention, because there is still little information about the importance of Si for rice plants and not many researches have been done on the use of Si in rice plants. This condition causes the farmers do not practice the use of Si as a fertilizer that eventually removal or release of silica from the soil solum. One source of Si that can be used as a fertilizer is trass. Currently, the trass has been widely used by the community as the basic material for making bricks. However, the use of trass as a source of Si in agriculture is not widely known. Therefore, it is necessary to evaluate the effect of trass on rice plant growth and soil chemical properties. The purpose of this study was to analyze the effect of trass addition on soil chemical properties and rice growth. The experimental design used was a separate plot where three types of soil, namely oxisol, inceptisol, and vertisol as the main plot and seven doses of trass were 0 (D0); 1.25 (D1); 2.5 (D2); 3.75 (D3); 5 (D4); 7.5 (D5); and 10 (D6) g kg-1 of soil as sub-plots. The treatment was a combination of these two factors and was repeated 3 times to obtain 63 experimental units. The results showed that the administration of trass significantly increased pH, available P, Ca-dd, Mg-dd, and significantly decreased available Fe and Mn. Meanwhile, the provision of trass also significantly affected plant height, namely 91 cm, and the number of tillers, namely 21 stems.
Key words: chemical properties, rice, silicon, trass
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